Home / 8,389,951.80-12,584,927.70-7,043,634.60

Finding the Fourth Proportional to 8,389,951.80, 12,584,927.70 and 7,043,634.60

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Solution

The fourth proportional to 8,389,951.80, 12,584,927.70 and 7,043,634.60 is: 10,565,451.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389,951.80 : 12,584,927.70 = 7,043,634.60 : x
  2. Step 2: Convert to fraction form
    8,389,951.80/12,584,927.70 = 7,043,634.60/x
  3. Step 3: Cross multiply
    8,389,951.80x = 12,584,927.70 × 7,043,634.60
  4. Step 4: Simplify right side
    8,389,951.80x = 88,643,632,186,218.41
  5. Step 5: Solve for x
    x = 88,643,632,186,218.41/8,389,951.80
  6. Step 6: Final answer
    x = 10,565,451.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.